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arsen [322]
3 years ago
7

Humpback whales are known to weigh as much as 80,000 pounds. The tiny

Mathematics
1 answer:
Alex777 [14]3 years ago
3 0

Answer:

If it's meant to be 2.1875*10^-3 then your answer would be 36571428.

If it's 2.1875*10-3 then your answer would be 4238.

Step-by-step explanation:

By dividing the weight of the whale by the weight of the krill you get your answer.

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Two fractions have denominators 4 and 6. Their sum is 19/12
Viefleur [7K]

The value of numerators are 3 and 5

<em><u>Solution:</u></em>

Let the numerators of two fractions be x and y

Two fractions have denominators 4 and 6. Their sum is 19/12

Therefore,

\frac{x}{4} + \frac{y}{6} = \frac{19}{12}

Cross multiply L.H.S to get simplified

\frac{6x+4y}{24} = \frac{19}{12}\\\\6x + 4y = 38 ------- eqn 1

If the numerators are switched their sum is 7/4

Therefore,

\frac{y}{4} + \frac{x}{6} = \frac{7}{4}

On simplification, we get

\frac{6y + 4x}{24} = \frac{7}{4}\\\\4x + 6y = 42 -------- eqn 2

<em><u>Solve eqn 1 and eqn 2</u></em>

<em><u>Multiply eqn 1 by 4</u></em>

24x + 16y = 152 --------- eqn 3

Multiply eqn 2 by 6

24x + 36y = 252 ---------- eqn 4

<em><u>Subtract eqn 3 from eqn 4</u></em>

24x + 36y = 252

24x + 16y = 152

( - ) -------------------

20y = 100

<h3>y = 5</h3>

<em><u>Substitute y = 5 in eqn 1</u></em>

6x + 4(5) = 38

6x = 38 - 20

6x = 18

<h3>x = 3</h3>

Thus the value of numerators are 3 and 5

5 0
3 years ago
BRAINLIEST PLUS POINTS
saveliy_v [14]
37/40
bc (37+29+26+32+38+35+34+39)/8 = 35
3 0
3 years ago
Read 2 more answers
What is the X and Y for this??????
lawyer [7]
X=2 Y=6 because we did this last week and I stilll have mine
8 0
3 years ago
COMPARE AND CONTRAST: How is factoring a trinomial ax^2+bx+c when a ≠1 different from factoring a trinomial when a=1? How is it
Ede4ka [16]
Differences:

If the a≠1, then instead of finding two numbers that when multiplied equal c and when added equal b (which is the a=1 situation), you are looking for two numbers which when multiplied equal ac and add up to be b.

When finding the two numbers for a≠1, you cannot just plug the two numbers into (x+__)(x+__), you have to extend the b term into those two numbers.

After extending the b term into the two terms, you then have to group them and take out the GCF's unlike in an a=1 situation.


Similarities:

The first step for both is finding two terms which equal b if added.

Once factored, you have to set the factored sections to zero if you wish to find the solutions.

Before finding the two terms which equal b if added, you should take out any GCF's from the overall equation.
4 0
4 years ago
11)
olga2289 [7]

Answer: Multiplication takes precedence

Execute the command multiplication bracket

3x + 2* (x - 1)  - 4 =

3x + 2* x + 2* (-1 )  - 4 =

3x + 2x - 2 - 4 =

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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